I always spend time marking my new golf balls uniquely for play but also draw a line around the circumference to aid alignment for all shots including putts. It really helps on putts to assess the quality of strike and roll on the greens.
I notice many professionals use the same concept.
Is there any reason that this line couldn't be included as part of the manufacturing process to assist golfers buying your products?
I for one would buy this design of ball over others that were offered for sale.
Andy