Do blocks work

[HarryBallbag]

Blocks are for those who really don't like to hit back.

I've used soto uchi (outside forearm block) against a boxer's right hook and took his right arm clean out of the picture. I do agree that some so-called blocks are impractical though. The upper rising block being my favourite. Never seen anyone use it competitively. Ever. Much more useful as a throat strike!

[Horus]

Kyokushin fighters seem to use blocks often and effectively