Upon closer look, the shafts were actually 16. He had seen this before in a book about a retrograde civilization but never tried one himself.
The purpose of this so called loom was to weave cloth and tapestry through interweaving the weft threads over and above the warp using a weaving shuttle.
Siri remembered the threads they have gotten from the secret realm. They could make additional fabrics. Thinking about it, he hadn't sewn or knit his Master a single piece of spare cloth because the sewing machine was taken away by the stingy system.
In the midst of his brooding, he saw the other equipment, a spinning wheel and a ½ and 2 meter spiked table full of detachable thin wooden bobbins. Siri only did a quick check before he left the room.
As much as he wanted to stay, he had no choice but to go out. He could utilize the night drying the leathers.
Li Chunhua also did the same and both went to inspect the remaining rooms.