Thank you guys. Now wit the tips like this flipped, has the bow 7 cm reflex..so all most 3''..before doing that, the limb without any knot, hat only 1'' of reflex, and the llimb with the knot, had a little more. I dont know aboute the finish...i still havent decided..i like the iddeea of using also traditional stuff, like oil, or stuff like that, but i will see. Thank you all for your nice words.