Prepare early and, MOST imortantly, swing loose. Let the frame do the work. If you muscle a 1HBH you lose accuracy and consistency.
Hit through the ball with a full, relaxed follow through.
Staying loose with confidence is key to a 1HBH.
Graphene Prestige S: 336g, 8 HL, SW 325
VS Touch Black/Focus Hex 1.23 @ 58/54