New answers tagged protection
A lot of motocross/motorcycle gloves have support built into the fingers to prevent excess motion in the wrong direction (like these). There are a few DH mountain biking gloves that have "armor" on the fingers that restrict movement a bit. Unfortunately, with braking and tricks and steering, it's important to have a good range of motion in the hand, fingers, ...
It sounds like you have a kind of injury that is common in skiing. What happens is the ski pole handle gets trapped under the thumb when falling, causing the thumb to bend the wrong way. You can find supports such as this one. I can't speak for that one specifically, but if you look up "skier's thumb" on the internet you should be able to find lots of ...
I use hockey tape to protect my right chain stay from chain slap. One inch wide by 98 feet of tape for less than 3 bucks! Should work well for what you need? http://www.hockeymonkey.com/hockeytape.html
Get some Factory Effex Frame Protection Material, It's a vinyl that you just stick to you frame. You can get it in Black, Clear, or Carbon.
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