They trussed up him on the rabbet then racked him.
他们将他捆绑在槽口上接着拷问他。
英语百科
Rabbet
A rabbet (also known as a rebate in Britain ) is a recess or groove cut into the edge of a piece of machinable material, usually wood. When viewed in cross-section, a rabbet is two-sided and open to the edge or end of the surface into which it is cut.