Thin rake By Dean Hickerson and Paul Callahan. This example of a thin rake starts with a period-120 block puffer (Callahan's design using p24 and p20 rakes) and uses three halving stages, resulting in the rather large period of 960. See also RAKE, RAKE2, MWSSRAKE, MWSSRAK2.Xref: mwssrak2 mwssrake rake rake2