For the first video: I knew a guy who was constantly practicing those same moves, but unfortunately he wasn’t as dexterous or as quick as the girl in the video. He shredded his hands to ribbons before he gave up”¦the quitter.
For the second one: A guy I went to high school with would perform similar stunts for a measly five bucks. I don’t think I ever saw him use anything as aggressive as a praying mantis, though. He only used crickets”¦the big wimp.