Did you know holo swirl placements can affect the value of a Pokmon card? A holo swirl is the small spiral pattern found in many holographic cards. Because the holo foil Do these holo swirls add much value to a card? : r pokemoncardcollectors Swirls Explained! What Are Pokemon Card Swirls & Why I Collect Them! Collectors pay more for a fart swirl Pokmon card because these unique holofoil swirl patterns add a level of rarity and personality to the card above its standard version. A fart swirl