Crossword Puzzle Snake feature

Clue: Snake feature

Spanish features (TILDES with 6 letters)
Prison features (WALLS with 5 letters)
Bowling lane feature (RESBUTTON with 9 letters)
It's likened to a snake's eye, at the tables (PIP with 3 letters)
Item with features that begin this puzzle's four longest answers (RIVER with 5 letters)
Like some facial features (CHISELED with 8 letters)
Hooded snakes (e.g. ASPS with 4 letters)
Sea feature (CHOP with 4 letters)
Nile feature (DELTA with 5 letters)
Fire engine feature (SIREN with 5 letters)