Possible Clues:

• Inquisition collar
• Strangle
• Instrument for execution by strangulation once used in Spain
• Kill fish — creature that will, out of river
• Facility to dispose of person's rubbish blocking entrance
• Put an end to rubbish being dumped in the entrance
• Put an end to restriction being applied
• Kill by strangulation
• Spanish method of execution
• Kill in furious rage, too much to suppress