Sledgehammer
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Introduction
The Sledgehammer is a move commonly used in F2L pair insertion: R' F R F' on the right or L F' L' F ("left sledgehammer"). 'Sledgehammer' is also commonly used in Skewb.
Since 2022, the 'Sledgehammer' becomes the (only) algorithm used to solve the Rubik's cube with the 'Workbench' approach.
Because it is a symmetry of one of the simplest non-trivial commutators (along with the sexy move), many algs and solving techniques use variations of the sledgehammer.
Variations
In addition to the sledgehammer itself, the inverse (sometimes humorously called Hedgeslammer) is often equally useful; it can be used if the F2L pair to insert is facing left.
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Full | F R' F' R |
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Full | F' L F L' |
The Sledgehammer also has a popular edge-control variant that will also put up an extra two LL edges into the upcoming OLL. When the F2L pair is connected in the top layer, with the cross color facing you, doing R' F R F' on the right or L F' L' F on the left (although not as common as on the right), can also insert the pair as opposed to U R U' R'. To remember this trigger, it is the last trigger on a popular Y Permutation algorithm [F (R U' R' U') (R U R' F') (R U R' U') (R' F R F')], and subsequently the second and last trigger on a common Key OLL algorithm [(R U R' U') (R' F R F')].
The Workbench Method
The 'Sledgehammer' is the 'engine' of the Workbench (now the same word: 'Workbench' denotes a solution method), a new approach to the Rubik's cube published in 2022. The 'Workbench' method solves the Rubik's cube in a very easy way using just the 'Sledgehammer'.
