Understanding Agency: Social Theory and Responsible Action

PUSUN - Smart Tennis Ball Machine PT-Smart PRO - 100+ Ball Capacity, Full APP Control, Internal Spin Serve, Ideal for Training & Matches (Black)

Tennis Training Set with Return Net&PT-Mini Pro Tennis ball launcher — App/Remote Control, 4–6h Battery, 60-Ball Capacity, up to 12 mph, 5-Point Random; Indoor & Solo-Friendly for Beginners and Kids

Furlihong 3819BH Portable Tennis Ball Machine – 5 Adjustable Angles, 2 Power Levels, 4 Serve Intervals, Up to 30 MPH, for All Skill Levels Training

PONGBOT Tennis Ball Machine, APP and Remote Control, Custom Drills, 150 Ball Capacity, Max 80mph,8+ Hours of Endurance, Dual Motor for Topspin and Backspin, PACE S PRO

PUSUN PT-MAX C Advanced Tennis Ball Machine: 28 Landing Points, 26 Serve Modes, App for Apple Watch Control, 5-7 Hour Battery - Professional-Grade Portable Tennis Launcher with Variable Speed (Black)

PUSUN PT-Smart Tennis Ball Machine: App Control,12 Drills,6-Level Spin,28-Pt,14 Padel Modes,75 MPH,32.6 lbs,100+ Ball, 5H Battery, Portable, for Fitness,Coaches,Solo Practice,Pros,School (Black)

Wilson Portable Tennis Ball Machine w/Remote & 2-line. Speed 75 MPH. Variable Topspin/Underspin. Electronic Elevation. from The #1 Name in Tennis - Wilson Sports

Fast Track Feedback System, Patented GEN2 Tennis Ball Machine for Practice 20 Feeds per min, Portable Tennis Machine with iOS Performance Tracking (Restocking Fee Applies to Returns)