Abstract: A device and method used for cold waving and straightening hair. The cold waving device helps create a natural sheen on the hair. The cold waving hair device includes a plurality of different size clear plastic hollow rods. The hollow rods have a smooth and soft outer circumference for receiving rolled hair thereon. The different size rods receive a standard hair roller therein. Each roller includes a hair engaging line which is received along the length of the rod. The hair engaging line includes an end cap for inserting into an end cap hole in the roller. The line is used for holding the rolled hair in place against the side and length of the outer circumference of the rod. The cold waving hair device also includes plastic end wraps with a plurality of holes therein. Each end wrap is used for engaging the hair ends and wrapping the hair around the smooth outer circumference of the rod. The end wrap is used for receiving a wave solution for saturating and relaxing the hair on the different size smooth rods.

Abstract: A locking system for securing an expandable semitrailer chassis and for securing a removable container received on top of the chassis when the container is transported on the semitrailer. The expandable semitrailer allows for receiving different lengths of removable containers thereon. The semitrailer pulled by a tractor. In one embodiment the locking system is used with the expandable chassis for securing and releasing a telescoping rail slidably mounted inside a rail receiving member. The chassis includes the telescoping rail cross beam support members and rail receiving member. The chassis is supported on an undercarriage. The rail receiving member include spaced apart locking pin holes disposed along the length thereof. The locking system includes an air cylinders with piston. The air cylinder is mounted on a rail crossbar and disposed next to pin holes in the rail receiving member.