Heart Charm for your Pampered Pooch! Show your pooch how special they are with this Heart charm that is only available from Dog Chewz! Stunning AB Crystal in three colors: Crystal AB, Rose AB & Sapphire AB. Split rings are used so that charms cannot fall off the lobster claw or a necklace. These come with a lobster claw so you can attach them to collars, harnesses or whatever you desire.