For hydration packs - If your drinking tube or hose is too long, this is how to correctly cut the length down to suit the length of hydration tube you want. Featuring the Reecoil AUDAX: reecoil.com/products/audax-15...
A better idea. Instead of electrical tape. Use Fray Check to glue in and lock in threads from coming undone. You could also put electrical tap on top of that once it dries if you really want to be sure