brian,

I actually used the oversized plastic straws from Starbucks. Stuffed full of cotton/vaseline, then folded over with a short straw section slipped over to hold the fold. I think I have 2 (maybe 3 but I cannot remember) of these full length plus the BSA hot spark all jammed in the cap so it removes as a set. I think I had to tie some thin string around the whole thing to keep it narrow enough to slip into the handle.