Try printing your working notes so you can cut them up and rearrange the physical sheets. Select three pieces randomly and try to create a new concept from the fragments. Or pass the pieces to someone else and ask them to choose their three favourites.
From Popularised by writer William S. Boroughs in the 1950s.
Try this
Print your working notes, cut them into strips, shuffle, then pick three and build a new concept.
Ideas
Open a ten-minute sprint with Cut-up technique as your prompt.