Paradox Finger Sling White Diamond. This Bow and Crossbow Sling from the experts at Paradox is adjustable and works with most conventional bows. The Paradox Finger Sling is a one piece para-cord sling that is a simple one step process that will provide you with years of reliability and efficiency. For an amazing way to make sure you are using one of the best slings the archery community has to offer choose the Paradox Finger Sling. Package Contents: Paradox Finger Sling Adjustable finger sling constructed of one piece of para cord.