Answer:

tread

Answer	Crossword Clue
TREAD	Escalator feature
TREAD	Radial pattern
TREAD	Tire feature

TREAD	Tire groove
TREAD	Piece between risers
TREAD	The sound of footsteps
TREAD	Loss at a bald spot
TREAD	Left-in-the-dust pattern
TREAD	Tire pattern
TREAD	Trample
TREAD	Sole clue for a detective?

TREAD	Stair part
TREAD	Sneaker surface
TREAD	Stamp
TREAD	Traction aid
TREAD	Walk, often lightly
TREAD	Its gradual loss leads to baldness
TREAD	Step
TREAD	Bald tire's lack

TREAD	Gripping pattern
TREAD	Tire's "footprint"
TREAD	Flight part
TREAD	It gives a Goodyear its grip
TREAD	Step (on)
TREAD	Tire mark
TREAD	Take steps
TREAD	Word on a revolutionary flag

TREAD	Riser partner
TREAD	Tire print
TREAD	Sole pattern
TREAD	Knobs on a bicycle tire
TREAD	Source of car wreck evidence
TREAD	Adidas feature
TREAD	Goodyear pattern
TREAD	Tank's contact with the ground

TREAD	Footprint
TREAD	Tire part
TREAD	Walk upon
TREAD	Tire topper
TREAD	Walk