Carpet kicker. For... kicking carpet (to move it along the floor after it's already been laid) : r/specializedtools
Amtech - Carpet Knee Kicker to Install and Smooth Carpets with Adjustable Steel Teeth for Different Backings, Home DIY, Easy to Use with Protective Knee Pad, Lump-Free Finish : Amazon.co.uk: DIY &
Amazon.com: Ram-Pro Carpet Kicker Installer Economy Adjustable Knee Kicker head stretcher and poles Telescoping Knee Installer w Adjustable Knob wide head Carpet Fitting Installer : Health & Household
Roberts Professional Knee Kicker Carpet Installer/Stretcher Review - YouTube
Carpet Stretcher - Chippindale Plant Ltd
DIY Knee Kicker, how to make your own Carpet Kicker, cheap - YouTube