The relay key theft is only really going to happen at home. So carrying your keys around in these pouches is a bit pointless & a waste of money.
Have you tried it see if it works?Those Faraday cage pouches are mostly rubbish and a waste of money IMHO
Virtually all these car thefts are from outside of peoples homes at night and a simple metal tin will stop the signal dead.
I put our Soul keys in one of these and the spare key is in a separate tin.
I would answer that with, my key fob only see's the light of day when changing trousers. Other than that it is in my pocket.Since you have to press a button on the handle why not just make it so you press a button the key fob, what's the difference, no need to be wireless