diff --git a/toonz/sources/tnztools/fullcolorbrushtool.cpp b/toonz/sources/tnztools/fullcolorbrushtool.cpp
index a2f3c28..c89c0ad 100644
--- a/toonz/sources/tnztools/fullcolorbrushtool.cpp
+++ b/toonz/sources/tnztools/fullcolorbrushtool.cpp
@@ -55,7 +55,7 @@ TEnv::DoubleVar FullcolorModifierSize("FullcolorModifierSize", 0);
 TEnv::DoubleVar FullcolorModifierOpacity("FullcolorModifierOpacity", 100);
 TEnv::IntVar FullcolorModifierEraser("FullcolorModifierEraser", 0);
 TEnv::IntVar FullcolorModifierLockAlpha("FullcolorModifierLockAlpha", 0);
-TEnv::IntVar FullcolorAssistants("FullcolorAssistants", 0);
+TEnv::IntVar FullcolorAssistants("FullcolorAssistants", 1);
 TEnv::StringVar FullcolorBrushPreset("FullcolorBrushPreset", "<custom>");
 
 //----------------------------------------------------------------------------------
@@ -305,7 +305,7 @@ bool FullColorBrushTool::askWrite(const TRect &rect) {
 //--------------------------------------------------------------------------------------------------
 
 bool FullColorBrushTool::preLeftButtonDown() {
-  m_modifierAssistants->drawOnly = !FullcolorAssistants;
+  m_modifierAssistants->drawOnly = !m_assistants.getValue();
   m_inputmanager.drawPreview     = false; //!m_modifierAssistants->drawOnly;
 
   m_inputmanager.clearModifiers();
diff --git a/toonz/sources/tnztools/toonzrasterbrushtool.cpp b/toonz/sources/tnztools/toonzrasterbrushtool.cpp
index 92f9dfc..9bfafd6 100644
--- a/toonz/sources/tnztools/toonzrasterbrushtool.cpp
+++ b/toonz/sources/tnztools/toonzrasterbrushtool.cpp
@@ -55,7 +55,7 @@ TEnv::DoubleVar RasterBrushHardness("RasterBrushHardness", 100);
 TEnv::DoubleVar RasterBrushModifierSize("RasterBrushModifierSize", 0);
 TEnv::StringVar RasterBrushPreset("RasterBrushPreset", "<custom>");
 TEnv::IntVar BrushLockAlpha("InknpaintBrushLockAlpha", 0);
-TEnv::IntVar RasterBrushAssistants("RasterBrushAssistants", 0);
+TEnv::IntVar RasterBrushAssistants("RasterBrushAssistants", 1);
 
 //-------------------------------------------------------------------
 #define CUSTOM_WSTR L"<custom>"
@@ -1040,7 +1040,7 @@ bool ToonzRasterBrushTool::askWrite(const TRect &rect) {
 
 bool ToonzRasterBrushTool::preLeftButtonDown() {
   int smoothRadius = (int)round(m_smooth.getValue());
-  m_modifierAssistants->drawOnly = !RasterBrushAssistants;
+  m_modifierAssistants->drawOnly = !m_assistants.getValue();
   m_inputmanager.drawPreview     = false; //!m_modifierAssistants->drawOnly;
 
   m_inputmanager.clearModifiers();
diff --git a/toonz/sources/tnztools/toonzvectorbrushtool.cpp b/toonz/sources/tnztools/toonzvectorbrushtool.cpp
index d443834..edd576d 100644
--- a/toonz/sources/tnztools/toonzvectorbrushtool.cpp
+++ b/toonz/sources/tnztools/toonzvectorbrushtool.cpp
@@ -58,6 +58,7 @@ TEnv::IntVar V_BrushPressureSensitivity("InknpaintBrushPressureSensitivity", 1);
 TEnv::IntVar V_VectorBrushFrameRange("VectorBrushFrameRange", 0);
 TEnv::IntVar V_VectorBrushSnap("VectorBrushSnap", 0);
 TEnv::IntVar V_VectorBrushSnapSensitivity("VectorBrushSnapSensitivity", 0);
+TEnv::IntVar V_VectorBrushAssistants("VectorBrushAssistants", 1);
 TEnv::StringVar V_VectorBrushPreset("VectorBrushPreset", "<custom>");
 
 //-------------------------------------------------------------------
@@ -506,6 +507,7 @@ ToonzVectorBrushTool::ToonzVectorBrushTool(std::string name, int targetType)
     , m_capStyle("Cap")
     , m_joinStyle("Join")
     , m_miterJoinLimit("Miter:", 0, 100, 4)
+    , m_assistants("Assistants", true)
     , m_firstStroke()
     , m_styleId()
     , m_minThick()
@@ -551,6 +553,8 @@ ToonzVectorBrushTool::ToonzVectorBrushTool(std::string name, int targetType)
   m_snapSensitivity.addValue(MEDIUM_WSTR);
   m_snapSensitivity.addValue(HIGH_WSTR);
 
+  m_prop[0].bind(m_assistants);
+
   m_prop[0].bind(m_preset);
   m_preset.addValue(CUSTOM_WSTR);
 
@@ -576,6 +580,7 @@ ToonzVectorBrushTool::ToonzVectorBrushTool(std::string name, int targetType)
   m_capStyle.setId("Cap");
   m_joinStyle.setId("Join");
   m_miterJoinLimit.setId("Miter");
+  m_assistants.setId("Assistants");
 
   m_inputmanager.setHandler(this);
   m_modifierLine               = new TModifierLine();
@@ -619,6 +624,7 @@ void ToonzVectorBrushTool::updateTranslation() {
   m_frameRange.setQStringName(tr("Range:"));
   m_snap.setQStringName(tr("Snap"));
   m_snapSensitivity.setQStringName("");
+  m_assistants.setQStringName(tr("Assistants"));
   m_frameRange.setItemUIName(L"Off", tr("Off"));
   m_frameRange.setItemUIName(LINEAR_WSTR, tr("Linear"));
   m_frameRange.setItemUIName(EASEIN_WSTR, tr("In"));
@@ -991,7 +997,7 @@ bool ToonzVectorBrushTool::preLeftButtonDown() {
   if (getViewer() && getViewer()->getGuidedStrokePickerMode()) return false;
 
   int smoothRadius = (int)round(m_smooth.getValue());
-  m_modifierAssistants->drawOnly = true; //bwtodo: !RasterBrushAssistants;
+  m_modifierAssistants->drawOnly = !m_assistants.getValue();
   m_modifierSegmentation->setStep(TPointD(m_pixelSize, m_pixelSize));
   m_modifierSmoothSegmentation->setStep(TPointD(2*m_pixelSize, 2*m_pixelSize));
   m_modifierSimplify->setStep(2*m_pixelSize);
@@ -1564,6 +1570,7 @@ bool ToonzVectorBrushTool::onPropertyChanged(std::string propertyName) {
   V_VectorBrushSnap            = m_snap.getValue();
   int snapSensitivityIndex     = m_snapSensitivity.getIndex();
   V_VectorBrushSnapSensitivity = snapSensitivityIndex;
+  V_VectorBrushAssistants      = m_assistants.getValue();
 
   // Recalculate/reset based on changed settings
   m_minThick = m_thickness.getValue().first;
@@ -1702,8 +1709,9 @@ void ToonzVectorBrushTool::loadLastBrush() {
 
   // Properties not tracked with preset
   m_frameRange.setIndex(V_VectorBrushFrameRange);
-  m_snap.setValue(V_VectorBrushSnap);
+  m_snap.setValue(V_VectorBrushSnap ? 1 : 0);
   m_snapSensitivity.setIndex(V_VectorBrushSnapSensitivity);
+  m_assistants.setValue(V_VectorBrushAssistants ? 1 : 0);
 
   // Recalculate based on prior values
   m_minThick = m_thickness.getValue().first;
diff --git a/toonz/sources/tnztools/toonzvectorbrushtool.h b/toonz/sources/tnztools/toonzvectorbrushtool.h
index c2d35f5..1ae9926 100644
--- a/toonz/sources/tnztools/toonzvectorbrushtool.h
+++ b/toonz/sources/tnztools/toonzvectorbrushtool.h
@@ -179,6 +179,7 @@ protected:
   TEnumProperty m_capStyle;
   TEnumProperty m_joinStyle;
   TIntProperty m_miterJoinLimit;
+  TBoolProperty m_assistants;
 
   TInputManager m_inputmanager;
   TSmartPointerT<TModifierLine> m_modifierLine;