Zag - my audience never seems to have a quarter on them
Though it may seem strange here in the UK audiences almost never have a quarter the magician can borrow. Will you be making this in other major currencies? It seems a little silly to offer free shipping to UK on a trick that cannot be performed here as in the description.
In the video the importance of having a Up to date design of quarter is mentioned. There is equal importance in having it in a currency your audience is familiar with.