Sonique’s Nato-1 continuously adjustable throw off now includes an expanded retro-fitted capability and an improved design. The new Nato-1 XL is an extended version of the original Nato-1 that retro-fits to more than 50 throw off models from vintage to modern. The unit features a dozen hole spacings from 3/8 inches to 1 11/16 inches to use and features an improved design to fit the drum curvature.