Related Clues:

• Novice called about lump
• Knot starts to get nervous and rapidly leaves
• Something lumpy regularly blocking gun barrel
• Rough lump (on a tree)
• Called backward pupil an "unsightly lump"
• Lump or knot in a tree
• Tree-swelling
• Twist knotty protuberance on tree
• Twist into knots
• A rear admiral ultim­ately chases a vacuous Gordian knot
• Learner phoned back to make knot
• Knotty (but totally rad) protuberance
• Twisted knot
• Knot in a tree, e.g
• Genial role now and then for wooden lump