upwardly therefrom as shown in fig4 and 5 saw tooth gin drum 17 comprises a cylindrical drum 46 carried on an axle 47 flexible metal strips 48 or channel gin saw teeth 49 are secured to the surface of drum 46 being positioned thereon in encircling spirals the edges of the strips are bent radially outward and saw teeth 49 are exposed at the extending edges thereof as most clearly indicated in fig4 drum 17 is coupled by belts or chains not shown to drums 15 21 and 17 and rotates in the direction of arrows 45 51 and 54 as shown in fig6 rectangular baffle means 16 preferably of a flexible material such as rubber has its longitudinal axis aligned with the axis of drum 17 with its surface tangent with a circle just larger than the diameter of drum 17 it is positioned to form a tapered channel with the outer surface of drum 17 which channel directs the cotton and debris being directed thereto by transfer drum 15 toward teeth 49 of drum 17 baffle means 16 39 s purpose is to set the cotton into the channel saw teeth as the cotton thus becomes confined between moving teeth 49 of drum 17 and baffle means 16 the cotton is snagged by teeth 49 for movement around drum 17 the.