diff --git a/panda/src/bullet/bulletConstraint.I b/panda/src/bullet/bulletConstraint.I
index 33de8da1cc..5ae86fb398 100644
--- a/panda/src/bullet/bulletConstraint.I
+++ b/panda/src/bullet/bulletConstraint.I
@@ -22,3 +22,51 @@ INLINE BulletConstraint::
 
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: BulletConstraint::set_breaking_threshold
+//       Access: Published
+//  Description: Sets the applied impulse limit for breaking the
+//               constraint. If the limit is exceeded the constraint
+//               will be disabled. Disabled constraints are not
+//               removed from the world, and can be re-enabled.
+////////////////////////////////////////////////////////////////////
+INLINE void BulletConstraint::
+set_breaking_threshold(PN_stdfloat threshold) {
+
+  ptr()->setBreakingImpulseThreshold(threshold);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: BulletConstraint::set_breaking_threshold
+//       Access: Published
+//  Description: Returns the applied impluse limit for breaking the
+//               constraint.
+////////////////////////////////////////////////////////////////////
+INLINE PN_stdfloat BulletConstraint::
+set_breaking_threshold() const {
+
+  return (PN_stdfloat)ptr()->getBreakingImpulseThreshold();
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: BulletConstraint::set_enabled
+//       Access: Published
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void BulletConstraint::
+set_enabled(bool enable) {
+
+  ptr()->setEnabled(enable);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: BulletConstraint::is_enabled
+//       Access: Published
+//  Description: Returns TRUE if the constraint is enabled.
+////////////////////////////////////////////////////////////////////
+INLINE bool BulletConstraint::
+is_enabled() const {
+
+  return ptr()->isEnabled();
+}
+
diff --git a/panda/src/bullet/bulletConstraint.h b/panda/src/bullet/bulletConstraint.h
index 75962e3612..a844a67846 100644
--- a/panda/src/bullet/bulletConstraint.h
+++ b/panda/src/bullet/bulletConstraint.h
@@ -41,6 +41,11 @@ PUBLISHED:
   PN_stdfloat get_applied_impulse() const;
   PN_stdfloat get_debug_draw_size();
 
+  INLINE void set_breaking_threshold(PN_stdfloat threshold);
+  INLINE PN_stdfloat set_breaking_threshold() const;
+  INLINE void set_enabled(bool enabled);
+  INLINE bool is_enabled() const;
+
   enum ConstraintParam {
     CP_erp = 1,
     CP_stop_erp,