1) the big 300g glande is actually 2 plum bobs joined together , if your talking about the 80g glande that’s a small bit of tungsten inside a basket arrow head wrapped in rags.
2) carburettor cleaner seemed to work best of the flammable stuff I had on hand.
3) entire sling made from Kevlar
4) ricochet was a stone off the top edge of pumpkin