Related Clues:

• Chew pig's tail with crackling
• Punishment for people taking steps to maintain revolution
• D, in an emoticon
• Pore over millions invested in work on farm -- it�s a routine operation
• To mill
• Daily routine (with "the")
• Study English philosopher? -- after short time that�s a tedious occupation
• ___ to a halt
• Routine part of tyre on motorway -- outwardly lethal
• Suggestive dance — reduce to fine particles
• Punishing drill, mate — it'll get you nowhere
• Molars do it
• Routine drudgery — exercise machine
• Routine taking days, feeding papers into drawer
• Routine quavering made in warble