Leatherlad

Hi folks Would like to dig in your expert brains please! What needles would you recommend for construction of lamb skin quilted leather jackets. I have been doing some research on klasse leather and quilting needles along with schmetz needles . I want to experiment with waxed linen thread .. will be running the machine slow let see how this goes. i am a newbie so pls be easy on my technical skills SCHMETZ SCHMETZ