Caul CMG Fingergrip
A referee whistle like no other. A 110 dB pealess sound with a flexible Fingergrip and Cushioned Mouth Grip — built for hands-free hockey officiating.
Built for Hands-Free Control
A Referee Whistle Like No Other
Fits various hand sizes and reduces transfer of impact energy to the hand — built specifically for hockey officiating.
Soft contact area reduces impact on teeth during long games.
A traditional, clear, loud sound that carries above ambient noise.
2-chamber pealess design for flawless, consistent performance — no moving parts to jam or fail.
Stays warmer in cold arenas than rigid plastic — built for the realities of ice hockey.
Named for the late John McCauley, one of the best referees in NHL history.
Specifications
| Sound Power | 110 dB |
|---|---|
| Design | 2-chamber pealess + CMG |
| Grip | Flexible Fingergrip |
| Material | Elastomer + polycarbonate |
| Best For | Hockey officiating, cold-weather use |
Caul vs. Classic CMG
| Classic CMG | Caul | |
|---|---|---|
| Sound | 115 dB | 110 dB |
| Grip | Standard CMG | Flexible Fingergrip |
| Chambers | 3-chamber | 2-chamber |
| Best For | General officiating | Hockey officials wanting hands-free control |
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