うふふ、摩擦力の違うラバーをモーターで回転させて予測不能のサーブを打つ算段です
1 / 4
Post image
Post image
Post image
Post image

Comments

Posting Rules

  • Be respectful to others
  • No spam or self-promotion
  • Stay on topic
  • Follow Bluesky's terms of service