Evil Clutch

Evil Clutch is a 1988 Italian horror film written and directed by Andrea Marfori. The film is about an American college student who joins her Italian boyfriend for a romantic weekend trip. Along the way, they pick up a voluptuous female hitch-hiker who turns out to be a maniacal demon with a ferocious, deadly claw-like hand. The film was shown at the Brussels International Festival of Fantasy Films and in Rome at Fantafestival in 1988. It was not distributed theatrically in Italy or the United States, where it was distributed by Eagle Home Video and Troma respectively.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.