Abstract: A practice aid system includes: a practice aid device; a hoop sensor system, including first and second pairs of an optical transmitter and receiver, which are mountable on a rim of a basketball hoop; an intelligent ball, including an inflatable ball body, a ball control unit, a ball light source; an intelligent shoe, including a shoe body, a shoe control unit, a motion sensor, a vibrator, and a shoe light source.

Abstract: A practice aid device includes a control body; a control unit; a plurality of finger control assemblies, each including a rotary assembly with a rotatable spool and a rotary actuator, a control cable, a finger strap, a lateral sensor, a finger cap with a tip tension sensor; front and rear straps for connecting the control body to a forearm of a user; and a touch screen, in order to enable the user to control outward and inward rotation of each rotary actuator and measure control cable extension, finger separation distance, and pulling force.