anyone have a good, secure, and customizable visitor management system for iPads they recco? Producing a pop up event for a brand and they want to collect guest phone #s to text a discount to after the event.

I need some simple, foam core directional arrows and I'm having trouble finding them online. I se a lot of floor clings, and stickers, but I just need simple foam arrows I can add to foam signs with velcro. Any tips?!