Maybe, like put into a pillowcase, as one does stuffed toys ? And, can they be put in the dryer ?
I do it, but this way. I let the washer fill up with COLD water to the level you need. (If only one item, then the lowest water level setting, of course.) I use only Woolite for delicate knits. I let the machine agitate to dissolve the Woolite. I put the garment in and stand right there and only allow it to agitate on the delicate setting for about 15 seconds, then stop the machine and let the garment soak for about 10 minutes. I then hand turn the dial to drain the washer and only allow it to spin till I know alot of the waster is out. Then fill washer for a rinse, doing the same thing of only allowing it to agitate for a few seconds, shutting off, then soaking in the rinse water a few minutes. Turn dial to drain and then only let it spin for a few minutes on delicate spin. You practically have to be right there turning the knobs to do it. I NEVER dry hand-knitted garments in the dryer. I roll them up in a towel to get more moisture out of them, because, remember, you’re not going to allow them to completely spin all the water out. After rolling in a towel, I then lay it flat on another towel to dry, shaping it once I lay it on the towel. Do not put on a hanger to dry, it’ll stretch and be a mile long. It’s work to hand wash…..and, it’s work to do it my way in the washer, but, at least you’re not doing all the wringing, which I think makes the clothes all twisted and wrinkled. But, again, even on a real low dryer setting, you’d have shrinkage of your hand-knitted garments.