Why is EVERYONE Using Two Different Strings in Their Racquet?

Why are pro's like Ben Shelton and Casper Ruud using two different polyester strings in their racquets? Should you hybrid two different poly's? How did poly-poly hybrids begin? What is the best tennis string? Check Out DIRECT TENNIS! Direct Tennis Website Link: https://www.directtennis.online/ Direct Tennis IOS App Link: https://apps.apple.com/us/app/direct-... Direct Tennis Instagram:   / direct_tennis   Epic Cross Strings: 🎾Try Hyper-G Round: https://www.tennis-warehouse.com/Soli... 🎾20% off Toroline Wasabi X: http://toroline.refr.cc/tenncom 🎾10% ReString Zero: https://shoprestring.com/?ref=tenncom (Code: TENNCOM10) My Fav Main String: Tour Sniper: https://invi.tt/AKZQ Join this channel to get access to perks:    / @tenncom   ❤Affiliate Links and Discount Codes (Best way to support the channel): RACQUETS AND MORE: 🇺🇸 Tennis Warehouse: https://www.tennis-warehouse.com/?fro... 🇪🇺 Tennis Warehouse Europe: https://www.tenniswarehouse-europe.co... 🇦🇺 Tennis Only: https://www.tennisonly.com.au/?from=t... STRINGS: 🐍 Grapplesnake USA: https://invi.tt/AKZQ 🐂 Toroline (TENNCOM for 20% off): http://toroline.refr.cc/tenncom ♻ ReString ZERO (TENNCOM10 for 10% off): https://shoprestring.com/?ref=tenncom GEAR: 👜 Geau Sports: https://geausport.com/?ref=TENNCOM 🎾 SwingVision: https://swing.tennis/r/TENNCOM 🖥 ERT 300 (Dynamic Tension) (TENNCOM for 10% off): https://ert300.com/ ⚔ Katana Sports Copper Tape (TENNCOM1 for 10% off ): https://katana-sportz.com Support TennCom Directly: 🙏Direct donation via PayPal: https://www.paypal.com/donate/?hosted... 🙏Check out our Racquet and String Consultation Services: https://tenncom.media/consultations 00:00 Pro's Are Using Pol-Poly Hybrids 00:29 Origin Story 01:01 The Max Spin Meta 01:44 Con's of Max Spin 02:33 The Holy Grail of SPIN 03:25 Square X Sharp/Zero Review 06:17 Zero vs Wasabi X as a Cross 07:13 Hyper-G Round 08:05 Tension Maintenance Comparison 09:03 HGR v Wasabi X 09:57 The BEST Crosses 11:05 How to Find YOUR Best Hybrid 13:31 The Search for Greatness 14:16 The BEST Mains https://tenncom.media/ IG:   / tenncom.media   FB:   / tenncom.media   *Grapplesnake USA only ships to the USA, Canada, Australia, New Zealand and Mexico. Cannot ship to Europe or Asia unfortunately.