Angling for some fishing tips? Cabela’s Thornton hosts a FREE fly-tying seminar on Tuesday, September 8 at 6 p.m. Joe Butler is an expert instructor and has hosted Colorado fishing trips for 32 years. During this two-hour seminar, he’ll focus on teaching you the basics of tying your own flies. Learn how to tie simple, yet effective patterns. Class is limited to 20 people. To register, email Nicholas.Filler@calebas.com. 14050 Lincoln St., Thornton.