"Hand Crushed by a Mallet" is a song by American experimental musical duo 100 gecs from their debut studio album 1000 gecs (2019). Its remix, included in the remix album 1000 gecs and the Tree of Clues (2020), features vocals from American singer Patrick Stump of the rock band Fall Out Boy, American musician Craig Owens, and Canadian-American singer Nicole Dollanganger. After the remix album's release on July 10, the remix was released as the album's sixth single on August 20, 2020.
Following a meeting between Fall Out Boy member Pete Wentz and 100 gecs members Dylan Brady and Laura Les, Wentz asked the band if they wanted to work together, which was met with positive response. The duo later received a ZIP file of Patrick Stump singing the song's intro.[1][4]Craig Owens and Nicole Dollanganger additionally provide vocals on the song,[5][6] with Dollanganger singing the song's chorus and Owens performing the song's verses and outro.[7]
An animated music video for the "Hand Crushed by a Mallet" remix directed by Dario Alva and written by Weston Allen was released on August 20, 2020.[8] The video begins with an anthropomorphic mushroom studying a key with a magnifying glass before a rat steals it,[2] with the characters additionally appearing on the album's cover art.[9] The plot then follows a cat and mouse chase, with the mushroom searching for the rat through "chaotic sets of checkered rooms and creepy forests".[10] The video received praise for its heavy visual effects, described as "psychedelic clipping and intricate designs of the different fantastical characters" by The Fader.[11]