--- title: "Stick" url: "https://help.maxon.net/c4d/en-us/Content/html/OFPSTICK.html" section_path: "Simulate Menu > The Simulation System > Particle Modifiers > Stick" element_id: "OFPSTICK" command_id: "1062128" description: "Stick What is it about? This page describes the Stick modifier of the particle system in Cinema 4D. On surface contact, particles slow down or adhere — …" --- # Stick > **Note:** **What is it about?** > > This page describes the **Stick modifier** of the particle system in **Cinema 4D**. On surface contact, particles slow down or adhere — snow settling on roofs, drops clinging to glass — optionally switching groups to trigger follow-up behavior. This function has parallels to the *Collide Modifier*, as collisions of particles with dynamic objects can also be queried here and used for a group change, for example. At the same time, however, the behavior of the particles is changed when they come into contact with a surface. This mainly concerns the speed of the particles and how they are affected by other forces. This means that particles can literally stick to a surface. The strength of this adhesive force can be changed at any time using the Modifier, for example to allow the particles to drip off a surface with which they have previously collided. The following video shows these effects. Particles hit a sphere, remain stuck there for a certain time, then slide off and finally lose contact with the sphere again. This behavior is achieved by the *Stick Modifier* in different variants, which changes the holding force of the particles on the surface over time. [Video: 2024-4_Particles_Modificators_Example_26.mp4](https://help.maxon.net/c4d/en-us/Content/Resources/Images/2024-4_Particles_Modificators_Example_26.mp4)