On the internet or at spencers if you don't know what it is ask your friends they know where to find spencers
If one is wanting to purchase a strap on harness these are usually carried at exclusive adult stores. Some of the options available include Babeland and Love Honey.
an amp and a strap
You can use a dog leash if you don't want to buy a stunt strap.
Buy her a strap on
GuitarCenter either online or at a brick and mortar store would be a good place to buy a Fender guitar strap. Other options would be to buy directly from the Fender website, or from Amazon.
Either get two belts and wear one normally and the other across your shoulder or buy a military shoulder strap.
Unbolt it and buy a new one
You can but a new strap at sports chalet or any sport store, most skate shops, and any online snowboarding websight.
no
No.
Usually not.
Believe me, you will know.
no he grunts in a way.