Custom Bottle Openers | Custom Bartender Bottle Openers bar, bartender, bottle opener, mamba, bar key, church key, popper, beer opener, personalized bottle opener, personalized business cards, custom opener, custom bottle openers, printed opener, ink correct, print correct, bar tools, Welcome to My Custom Opener, home of the original and best custom-designed bottle openers found anywhere! Also known as Mambas, Church Keys, Bar Blades, Beer Opener or Poppers, we proudly manufacture the core tool for The Bartender. Careful not to be fooled by knock-offs or tacky imitators that sell cheap bar products! We are #1 when it comes to quality, durability, artwork options, color selection and customer service, as well as unmatched production speed and turnaround! We also manufacture Business Cards with stunning results! We are the makers of the FlexH20 Business Cards: The most durable business card available! Made of tear resistant poly blend material, it is completely waterproof and very flexible. All our business cards are available with vibrant full color custom prints on both sides for a low price plus FREE SHIPPING!