bootleg play means to jackknife a trailer.
bootleg play means to jackknife a trailer.
what does it mean to jackknife a trailer?
bootleg play
jackknifing refers to the folding of an articulated vehicle so that it resembles the acute angle of a folding pocket knife. if a vehicle towing a trailer skids, the trailer can push the towing vehicle from behind until it spins the vehicle around and faces backwards. this may be caused by equipment failure, improper braking, or adverse road conditions such as an icy road surface. in extreme circumstances, a driver may attempt to jackknife the vehicle deliberately in order to halt it following brake failure. a jackknife event of a heavy vehicle can be fatal to the driver as the top of the cab can be crushed or sliced off as it swings round violently and tries to fold under the trailer.
jackknifing
jackknife









































jackknife may refer to:









































bullet::::- pocket knife or jackknife, a compact, foldable knife









































bullet::::- jackknifing, a type of crash with articulated vehicle combinations









































section::::film and television.









































bullet::::- "jacknife", a 1989 american film by david jones









































bullet::::- "jack knife", an episode of "ncis"









































bullet::::- jackknife, a character on "superjail!"









































section::::athletics and sports.









































bullet::::- jackknife (exercise), an abdominal exercise









































bullet::::- jackknife, a kicking move involving 540-degree rotation









































bullet::::- jackknife, a type of high dive









































bullet::::- jackknife hold, a pinning move in professional wrestling









































section::::other uses.









































bullet::::- jackknife (statistics), a resampling technique in statistics









































bullet::::- jackknife clam









































section::::see also.
jackknife