When Ashe is getting dressed in the leathers, we see his hand running up the side of his leg. Here he is already wearing the long leather jacket. A few minutes later, he dramatically puts on the jacket (for the first time).
When Curve is running from the club after seeing Ashe there, he runs down the stairs and knocks over a shopping cart. A split second later, as he's running away, you can see the shopping cart again standing upright.
When Sarah is tattooing the man's head, she makes a few mistakes. 1) She is not wearing gloves. 2) During her conversation with her client, she puts her fingers directly on the tattoo she is working on. 3) Her client's skin is not red, there is no bleeding, puffiness, etc., revealing she is not actually working on a tattoo.