i tried to teel um that up there^^^ nobody heres me thow //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gifno need for a hot knife simply a sharp razor knife....all ive ever used and never have a problem with fray.
simply tightly wrap a small piece of tape around up to the edge of where i wish to cut and then use the razor and follow with a piece of heat shrink