For the fun of it, after receiving an ad from Skylighter, I bought some of their "Quickmatch Visco". It's not real quickmatch, so it can be shipped. It burns at 2'/sec., so it's quite fast--it's like touching off bp. They have warning stickers all over the length of the coil (which you are supposed to keep on it) to not mix it up with ordinary fuse--with very good reason.
Here's a short clip I made today: