Translations:Parkour Nomenclature/15/en

The player is 1.8m tall. This ceiling height only leaves 0.0125b of room for the player to fit under,
 * 4bc is the same as no ceiling at all (doesn't affect jump height)
 * Headhitter
 * hh
 * A synonym for 2bc.
 * Trapdoor Headhitter
 * tdhh
 * A 2bc which is further lowered with a trapdoor (1.8125bc)
 * tdhh
 * A 2bc which is further lowered with a trapdoor (1.8125bc)