Head should do some checking on their manufacturing. The sole reason why they say don't do it in a 1 piece is because of their *****ty racquet design and being cheap with the graphite. The graphite walls of their racquets are so thin I can crush a prestige with my bare hands.
Also they need to fix their bumper guards. Their guards offer no protection to the string. After a few scratches off the ground and your string is exposed.