On sale! Feathers L-Style Feathers L-style L1pro Kami Standard Jelle Klaasen V6 Clear white L-Style €9.00 Forms: L1Pro standard. Model: L1Pro Kami. This is the L1Pro Kami. Designed by Jelle Klaasen v6. Color: Clear white . .What. It's a very strong pen, but also more flexible because of the cuts it carries in the middle of the pen. With that, we reduce the bounces by grouping the darts together and increase the strength of the pen and its longer service life. Add to cart