?Tool? is a catch-all for most of the undetermined pieces. Both items have obvious work around the edges. They could both have resulted from a stubborn piece of quartz that didn?t work out as planned. Both could be failed pre-forms. The 1st looks like thinning work failed. It?s short, but overly thick. Yet the wide fanned edge could have served as a very nice cutting edge.
The 2nd (jmo-you have them in hand) could be a backed knife, an edge scraper, or again a utilized -failed preform.