JEGS 82879: Pinch Clamps | Fits 3/8 in. O.D. Nylon & Rubber Hose | Creates a 360 degree Seal | Set of 10 - JEGS
Procedure 2203: Pinch-On Clamps - YouTube
3-Pack Hose Pinch Off Pliers, Plastic Line Clamp Pliers Set for Flexible Hoses, Automotive, Gas Lines, Radiator, Brake, Coolant, and Fuel Lines Tool (Red, 3 Sizes) - Walmart.com