artichoke2000: Comparing 2 types of Ruko Sleeves. Sleeve with oval cutouts vs sleeve with circle cutouts Multipick V04 Big thank you to the fantastic Rune International for donating these locks for analysis. Rune is an expert of all things Ruko… please check out his fine work on his channel https://www.youtube.com/channel/UCQQFepf73yUTQU3H71dNtYw