I consider about 50% of squash frame/patterns to be standard patterns like all those traditional smaller headed open throat Models seen from nearly every manufacturer, like the Dunlop Hotmelt pro or Dunlop elite, harrow vibe,stealth and vapor etc also those larger longer headed Closed throat rackets like the carboflexes available from many brands. The remaining 50% are all the rest with more challenging patterns that can take a bit of thinking about. Prince powering rackets o