An Leg-Locker Curse

The Leg-Locker Curse (Locomotor Mortis), also known as the Leg Locking SpellThe Cast-a-Spell handbook, as can be viewed here. was a curse that bound the legs of the victim together.
==History==
It was most often used by experienced witches and wizards in duels, or in friendly wizard races. This curse was one of the dark charms found in the Dark Arts spellbook Curses and Counter-Curses by Vindictus Viridian. - Curses and Counter-Curses There existed a counter-curse of unknown incantation; Hermione Granger used it to reverse the usage of the curse Draco Malfoy used on Neville Longbottom.Hermione Granger and Ronald Weasley learned this spell in their first year, to use on Severus Snape if he tried to harm Harry Potter at an upcoming Quidditch match. They did not need to use it, however, as Professor Dumbledore was watching, they found it unlikely Snape would try to hurt Harry.
==Known uses==
===Successful===
Caster(s) 	Victim(s) 	Date 	Notes
Draco Malfoy	Neville Longbottom	Early 1992	Used it to bully him.
==Known practitioners==
Draco Malfoy Promo HPB.jpg|Draco Malfoy
HBP_promo_side_Harry_cropped.jpg|Harry Potter
Hermione Granger HBP promo.jpg|Hermione Granger
Ron Weasley Half Blood Prince.jpg|Ronald Weasley
==Etymology==
This spell's incantation is derived from the English word locomotor, meaning "of or relating to locomotion"See this entry on Google and the Latin word mortis, meaning "death".See this entry on Google Translate. Overall, the incantation roughly means "killing locomotion" or in other words, stopping someone from moving normally.
==Behind the scenes==
*According to Rubeus Hagrid, no first year should be able to cast a curse, suggesting it is difficult, and that Draco Malfoy being able to use it in his first year was considered impressive.
==Appearances==
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*Harry Potter Official Site
==Notes and references==
Category:Curses
Category:Spells With-An Light
Category:Spells With Incantations of Latin Known Origin
Category:Spells With Modifiers
==See also==
*An Jelly-Legs Curse
*Stickfast Hex