Reflex Bag - Timing Drill (Single Punch, Bounce-Back Read)

Setup

Reflex bag at head height, boxing stance.

Execution

1. 1Throw one punch (jab or cross) into the center of the bag
2. 2Watch the bag rebound away and then swing back toward you
3. 3Time a second punch to meet the bag precisely as it returns
4. 4Retract to guard between each punch
5. 5Gradually increase the punch pace as timing accuracy improves

Key cues

• Watch the full rebound cycle before committing to the second punch
• Time the punch to the bag's return, not on a fixed count
• Stay relaxed and patient — rushing kills timing accuracy
• Keep the guard hand up while waiting for the rebound
• Progress speed only after timing is consistently accurate

Common faults

• Punching on a fixed rhythm rather than reading the actual bag movement
• Flinching or pulling back instead of meeting the bag confidently
• Losing patience and rushing before the rebound completes
• Off-center hits causing erratic, unpredictable rebounds
• Guard dropping while watching the bag

Tweaks

• Alternate which hand meets the rebound
• Add a slip between the first punch and the timed second punch
• Increase bag tension for a faster, harder timing challenge

Muscles

Notes

This is the core skill the reflex bag exists to build — timing a strike against a moving, unpredictable target, directly transferable to countering a live opponent.

Sources

• Complete Guide to the Double End Bag | Boxing Tutorial
• 5 Double End Bag Drills by Olympic Boxer

Attribution: Olympic boxing coaching community