I use small clips similar to those on a persons nametag to secure them on a shirt. I have the clips attached to the top of my Tyros with duct tape, which matches the color of the kb perfectly. This is pretty close to the velcro method you mentioned. This way, I just clip them onto the sign each night...works great.

My sign does not "wrap around"...As its vinyl, it doesn't hang perfectly like a cloth would. I suspect if you do go the wrap-around route, you may have trouble getting it to hang neatly.

Good luck-

Bill in Dayton