When Han and Jabba start walking/slithering with Han on Jabba's right (his point of view), you can see Chewbacca walking behind them out in the open. Then it cuts to Chewie moving forward in an entranceway beside a corner of two walls. Then it cuts back to Jabba and Han walking/slithering with Chewie behind them again in the open. Hmmm...
When Han and Jabba start walking/slithering with Han on Jabba's right (his point of view), you can see Chewbacca walking behind them out in the open. Then it cuts to Chewie moving forward in an entranceway beside a corner of two walls. Then it cuts back to Jabba and Han walking/slithering with Chewie behind them again in the open. Hmmm...