remove weight by part of the mesh in weightpaint mode I have got a mesh made of multiple part (the mesh is a dog, each limb is a separate part) I am trying to paint the weight of the back leg but I have trouble doing so because that leg intersect the body. Is there a way to remove the weight painted on the body while keeping it on the leg (something similar to select a mesh island with "L" in edit mode)

here is my object:

as you can see the leg intersect the body


as you can see the upper bone of the leg has a bit of weight on the body
You can hide the part you want in edit mode: select and use H.

Then go in vertex paint mode and click on the 'vertex selection' button. The unwanted part will be hidden.

Then select all the remaining vertices using A to paint on them.