How you use a vial crimper – YouTube. This instructional video shows how to use a vial crimper. All is needed is rubber stoppers, flip top caps and vials. You can purchase these WHEATON | Vial Guide. Screw Caps. 22. Racks. 23. Serum / Crimp Vials and Bottles. 24-25. Serum Vial Closures. 26-27. Crimpers & Decappers. 28-30. Uni-Dose & Vacule Vials.