n.

a slipper that has no fitting around the heel

同義詞：mule

the act of scuffing (scraping or dragging the feet)

Scuffed container detector
Metallographic characterisation of transformation phases on scuffed cast-iron diesel engine components
Rapid Restoration of Scuffed Surface of Aircraft Parts Made of Hard-Aluminum Alloy by Brush Electroplating
A Little Scuffed but Still Standing ; Alden's Decade Is Stormy but Productive Era
Investigation of scuffing damage in aluminum engines with thermal spray coatings
Analysis of the Bénard Cell-Like Worn Surface Type Occurred During Oil-Lubricated Sliding Contact
X-Ray Diagnostics for Scuffing: Application to Phase Transformation in Nickel
Repair of PCL-1 000 M vertical impact crusher's vertical shaft
APPARENT BOTTOM FEEDING BY HUMPBACK WHALES ON STELLWAGEN BANK
Evidence for montmorillonite or its compositional equivalent in Columbia Hills, Mars