Crain 987 Pressure Roller is a small handheld roller that is used to press the vinyl welding thread into the groove in tight or awkward areas.
Crain 965 Skiving Knife
This knife for trimming heat weld rod flush at the seams has a razor sharp blade that's replaceable. Eliminated difficult resharpening of traditional quarter moon knives. Cuts in two passes with the buoilt in trim guide. Take the first pass with the guide under the blade, then pivot it out from under for the second pass. The flexable blade and trim guide won't gouge high spots.