Sorry for causing misunderstanding from my side as well. I know you were joking about how meaningless the boring things I've tried today. What I tried to say in that post is that I've tried this and it can block the signal, and I think majority of those signal blocking box/pouch etc. are simply two layers of fabric with a layer of kitchen foil between them.tiglon said:Just my attempt at light hearted humour, apologies if anyone thought I was looking for a genuine debate about whether wrapping car keys in tin foil is a good idea![]()