Sell Swirls and Twirls gift cards with the GCX gift card exchange. Depending on the popularity of your brand, we recommend you discount Swirls and Twirls gift cards at least 10% off, but ultimately you control the selling price! If your gift card can be used to shop online at Swirls and Twirls, GCX has already checked the e-gift card box below. Please fill out the rest of the listing form to sell your unused gift cards.