I wear my lavalier and a lanyard that has my timecard on it. I need the time card not only to punch the time clock, but to enter and exit the building
My lanyard looks like this:
The lanyard was the first thing I bought when I got the bid
ETA: Wearing my card around my neck saves a lot of time rummaging thru pockets and stuff to get my time card, especially when you are ready to GTFO at quitting time!
GTFO=Get the F Out!