i find most of them on the ground just chillin there
or i find them on the pole that got knocked over by some fuck in there car so i just jack it off the pole cuz u kno its already there and some r pretty funny like i got 1 that says no dumping or $1000 fine so i put that one in the bathroom so when ur takin a shit and ya look up thats wut ya see
i've never actuatly gone and tried rippin them off unless i was piss loaded and the sign was talkin back to me