Continuity mistake: When Marcia is cheering in the backyard, her locket tucks itself into her shirt when she finishes.
Continuity mistake: When Greg comes home after Jennifer gives him her number, Greg is seen entering the house in the living room. Then a few seconds later he is seen entering the other side of the kitchen.
Continuity mistake: Jennifer writes her phone number on Greg's right hand with the first number starting at his thumb, but when Greg looks at his hand to read the phone number, the phone number was written with the first number near his fingers and the last number written by his thumb. (00:02:50)
Answer: The dangling bracelet was used for dramatic purposes - to keep the audience on edge.