| Clamp | Details | Level Up | TM | Move Tutor | Egg Move |
| Gen IX Dex | Gen VIII Dex | Gen VII Dex | Gen VI Dex | Gen V Dex |
| Gen IV Dex | Gen III Dex | Gen II Dex | Gen I Dex |
| Attack Name | Battle Type | Contest Type |
| Clamp |  |  |
| Power Points | Base Power | Accuracy |
| 10 | 35 | 75 |
| Battle Effect: Traps and squeezes the foe for 2 to 5 turns. |
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| Secondary Effect: Traps opponent. | Effect Rate: 100 % |
|
| TM # | Appeal Points | Jam Points |
| None | 
| |
| Contest Effect: Temporarily stops the crowd from growing excited. |
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| BrightPowder | King's Rock | Physical Contact |
| Yes | Yes | Yes |
| Battle Palace Style | Battle Arena | Pokémon Hit in Battle |
| Attack | +1 | Selected target |
| Picture Example of Clamp | ||
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Pokémon That Learn Clamp By Level Up in Ruby/Sapphire/Emerald/Colosseum/XD:
| No. | Pic | Name | Type 1 | Type 2 |
| #090 |  | Shellder |  |  |
| #366 |  | Clamperl | | |
Pokémon That Learn Clamp By Level Up in Fire Red/Leaf Green:
| No. | Pic | Name | Type 1 | Type 2 |
| #090 | | Shellder | | |
| #366 | | Clamperl | | |
Pokémon That Learn Clamp By Breeding:
| No. | Pic | Name | Type 1 | Type 2 |
Pokémon That Learn Clamp By Purifying or A Special Way:
| No. | Pic | Name | Type 1 | Type 2 |