Reusable gel packs. These are cold therapy packs which contain a form of gel and are kept in the freezer until required. They are reusable and in many cases can also be heated either in very hot water or a microwave to offer warm therapy instead.
A clown car is a prop in a circus clown routine. A common example of such a routine involves an implausibly large number of clowns emerging from a very small car, to humorous effect.
Definition of clown for Students. 1  1 : a performer (as in a circus) who entertains by playing tricks and who usually wears comical clothes and makeup. 2  2 : someone who does things to make people laugh.