Ten-pin bowling line and is applied for at least down the lane from that point. USBC rules specify that a pin must be tall and about wide at its widest point, where a rolling ball would make contact. There are additional measurements which delineate the shape. The weight of a single pin must be at least 3 pounds 6 ounces and no more than 3 pounds 10 ounces (1.53–1.64 kg). Within a set of ten pins, the individual weights may vary by no more than 4 ounces (113.4 g), if made from wood or plastic coated, or just 2 ounces (56.7 g)
Ten-pin bowling is on top of the ball with two fingers in the 12-o'clock position and the thumb ending in the 6-o'clock position, at which point the fingers and thumb release the ball simultaneously. The forearm also creates spin and pushes the ball onto the lane. Spinning is difficult to master, and can cause injury if not done properly. Using a lighter bowling ball (10 to 12 pounds) with a completely rounded core is recommended, along with a conventional grip. Spinning causes results like a weak 5-pin more frequently. The backup style of bowling is where the bowler will flick their wrist