Create even-tipped hair-wings every time with the Umpqua Dream Stream Hair Stacker. Simply load the hair, tips first, and tap the stacker on your tying desk four to five times and youre ready to tie in. Umpqua tying tools are made with surgical-grade Japanese stainless steel to exacting specifications to ensure that your time at the tying bench will be easier, more enjoyable and faster. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hair Stackers.