There is no domestic special rug washing machine for the purpose.
Can you put wool in washing machine. Always check the tag of your blanket for the manufacturers instructions about its proper care instructions. Wool garments should be washed on the wool setting usually gentle action at 40C. Finally allow wool to air dry to prevent shrinking.
Prepare the washer. Wool blankets can be washed in the washing machine but only if you have confirmed it on your products label. Wool needs to be treated gently as its susceptible to stretching and shrinking when handled too harshly.
Blended wool caps can normally be machine washed. If your washing machine does not have a wool cycle use the cold water wash or wash cycle for delicates. In general you can use the gentle cycle of the washer or much better if your model has a dedicated wool cycle.
Start by checking your machine has a completely cold setting - on some machines the wool setting is. Cotton Synthetic Rugs. If you have a newer machine you may have a dedicated wool setting.
Dont wring it out but instead press water out bit by bit using the side of your sink basin or bathtub. The answer is yes. This video explains why shrinkage isnt the only problem you have to worry about.
Many of todays laundry detergents have enzymes including proteases which are used to break down proteins. But turn the cap inside out. Lay flat on a thick absorbent towel.