Spud Lat Pulldown Machine. If you have a home gym then you need this simple inexpensive lat pulldown machine! Smash your triceps, lats, and upper back with one simple and inexpensive Spud Econo pulley. There is no need to spend hundreds of dollars on a fancy machine when this simple machine does the same thing for less money. You can use free weights, bands and even chains to do pushdowns for triceps, lat pulldowns, and many other exercises. The Econo Pulley is designed for use in a power rack that is around 6-7' tall. Choke the strap/pulley around the power rack cross member or pullup bar.