Hi, does anyone know how to create a mate that moves a part as it comes into contact with it? As example, I have a slide rod fixed in space. A block is mated with the rod and can be moved along its length. A second block is also mated to the same slide and can similarly moved. My actual system uses a lever to move the first block along the slide and only when it engages with the second block (which can be anywhere along the slide) should it then also push the second block. P.S I'm using SW2005 /spear_me