velcro arm band
Super glue would work.
Or duct tape! (Or if you have a large wallet, you could use gaff tape!)
9 penny nails.
Yep! That would work too! :)
Substitute the Nano for the iron penny in this ible. A
Use this attach only if the nano is a flash drive version.
Tape, around your head. L
Try one of these instructables.