thread way through
thread (one's) way through (something)
To move carefully between people or things that are numerous and close together. We threaded our way through the crowd to reach the front of the stage. You'll have to thread your way through the clutter in the storeroom to reach the circuit breaker at the back.
thread one's way through something
Fig. to make a path for oneself through a crowded area; to make one's way carefully through a crowded area. The spy threaded his way through the crowd. The bicyclists threaded their way through the cars stopped in traffic.