Lmaooo I have seen "give a pint (of blood) get a pint (of ice cream)" and that went well.
Edit: they are in fact offering a coupon for a free pint of beer with all donations. The coupon is for the next visit.
Lmaooo I have seen "give a pint (of blood) get a pint (of ice cream)" and that went well.
Edit: they are in fact offering a coupon for a free pint of beer with all donations. The coupon is for the next visit.