I have tried to use Apple Pay on my iWatch about 12 times at retailers that have stickers which say "Apple Pay Accepted Here". It has worked 2 times. Just didn'

I have tried to use Apple Pay on my iWatch about 12 times at retailers that have stickers which say "Apple Pay Accepted Here". It has worked 2 times. Just didn't work at all 7 times. 3 times it actually broke the POS system on the register and they had to move me to another register. I just can't be bothered to use it anymore. I just look like an idiot trying.