Tink's? (r) #69 Doe-In-Rut? (r) buck lure is 100% natural doe estrous urine collected from live whitetail does during their estrous cycle. Tink's? (r) quality controlled formula keeps Tink's? (r) #69 Doe-In-Rut? (r) buck lure at the peak level of performance. Tink's? (r) #69 Doe-In-Rut? (r) buck lure, the standard on which all deer lures are measured, produces great results during the pre-rut and rut. Tink's? (r) #69 Doe-In-Rut? (r) Buck Lure is America's #1 Buck Lure. Buck lure is 100 percent natural doe estrous urine collected from the live whitetail does during their estrous cycle. Tink's quality controlled formula keep's Tink's #69 Doe-In-Rut Buck Lure at the peak level of performance. Easy to use squirt bottle. Use with drag rags, boot pads, Tink's Scent Bombs or in scrapes.