Shirts with life size guitars printed on the front.
,
Not mini pictures of the whole guitar,
But life size, as if you were actually carrying it around.

Offer 30 different electric solid bodies to choose from

30 acoustics and 30 electric acoustics.

Crewneck and three button T's

Three button and full plaquet Hawaiian style
And
Or
Offer them with the option of guitars not quite upside down on the back.

Like you you pushed it behind you ,
With a mic. and stand on the front.

Six and Twelve stringers
Or
Four and five string bases.
( Working on a cool name )

Long sleeve with the neck down the arm so it's a complete guitar when your left arm is extended.

Ships with twelve groupies, or six backup singers.

I saw a story about those two Asian guys on Shark Tank who came up with boom boom nasal sticks. They had no plans to take any of the offers and used it as a huge free national commercial and became multimillionaires.

We are talking picture perfect photos ,
Think of all the possibilities.

I got my wife a T-shirt with an image of a full size Gretsch Jet on the front. It's fun strumming chords!