Providing the ESD Touch Pads at the entrance of ESD safe area or lab is the simple and effective, and it can be mounted on the wall near to the entrance, and it will be connected to the nearest earthing point.
All you have to do is just keep you palm on the pad and wait for couple of seconds, the static which is charged in your body get drains through these pads.
We got two types of ESD Touch Pads one is just simple pad and other is provided with LED which only indicates that you have properly touched the static pad, if you do not touch it properly so the static charge may not be discharged from your body.