What sort of heat source are you supposed to use to shrink it?
anything that'll make it hot, hold a soldering iron the then end of the wire, hair dryer, hot air gun.
pressuming you mean on a wire rather than covering, a gas lighter does fine (just dont hold it in there too long or it'll burn) but I prefer a paint stripper type heat gun.
Cheers guys. gas lighter seems the cheapest and potentially least painful option just now.
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