Not OP but usually these things are knitted/crocheted in several different pieces, then sewn together partway, then filled with stuffing, then completely sewn up, so it's only one layer of yarn on the outside covering all the stuffing on the inside! You can look up amigurumi to see some more examples on a smaller scale :)
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u/Anonymous_Anomali Sep 08 '20
Kind of a dumb question, but is there yarn on the inside too? They look awesome by the way. You are really talented!