roll up
n.— «An Owasso mother is filing a child abuse complaint against her son’s school after administrators told her that her 7-year-old autistic son was restrained at school for an unknown period of time. According to the police report, the school used what’s called a “roll up,” wrapping the child so he’s unable to move.» —“Owasso School Accused Of Child Abuse” KOTV-TV (Tulsa, Oklahoma) Mar. 21, 2007. (source: Double-Tongued Dictionary)