SuperSpeed vs The Stack - Getoffmylawn's Thoughts in Unofficial Reviews Posted May 27 I appreciate the comparison. I believe this would be an interesting article for my golf spy to do. Just off the top of my head I can think of at least 7 swing speed trainers. I own unlocked golf's speed trainer. I've tried a couple of different ones in the past (orange whip, speed stick) but this one has two interchangeable weights with a double locking mechanism for safety. I know I probably sound like I'm trying to sell it, but I think it would be interesting to see which model/types are best for price, ease of use, stability and options.