The TRS Slider is a highly effective, though unusual-looking, training aid that improves upon the classic towel drill by locking the arm into a tighter, more consistent connection.
Their scorecard
Rotation: helps/5 — Keeps right arm tucked and connected
Face Control: partial/5 — Teaches sensation of a unified move
What they rate
Extremely secure connection compared to a towel
High mobility despite being locked in
Direct sensory feedback for proper arm positioning
What they don’t
Aesthetic is unappealing to some
Functionality overlaps with free alternatives like a towel
The TRS Slider is a highly effective, though unusual-looking, training aid that improves upon the classic towel drill by locking the arm into a tighter, more consistent connection.