What paddle surface alterations are strictly prohibited during sanctioned play?

USA Pickleball Equipment Standards Manual Rule 2.E dictates that paddle surfaces must be uniform and devoid of excessive texture, indentations, or foreign substances. Players may not apply textured decals, grip tape extensions onto the face, or aerosol friction coatings to artificially boost spin. Weighted lead or tungsten tape is permitted around the perimeter edge guard only, provided it does not encroach on the active face. Paddles tested by USA Pickleball and UTPR must meet strict Starrett surface roughness gauge thresholds (maximum Ra of 30 micro-inches) to prevent illegal spin manipulation.