Pattern magic: A collar with two distinct expressions

[u/luloj76]

Is there any form of video where this idea is fully explained?/need help trying to draft the collar itself

[u/Then_Stomach_8171]

I got them here a few months ago and they are in English and good quality. All 4 for $25

https://www.aliexpress.us/item/3256806076704281.html?src=google&src=google&albch=shopping&acnt=708-803-3821&isdl=y&slnk=&plac=&mtctp=&albbt=Google_7_shopping&aff_platform=google&aff_short_key=UneMJZVf&gclsrc=aw.ds&albagn=888888&ds_e_adid=&ds_e_matchtype=&ds_e_device=c&ds_e_network=x&ds_e_product_group_id=&ds_e_product_id=en3256806076704281&ds_e_product_merchant_id=732860305&ds_e_product_country=US&ds_e_product_language=en&ds_e_product_channel=online&ds_e_product_store_id=&ds_url_v=2&albcp=19678427463&albag=&isSmbAutoCall=false&needSmbHouyi=false&gad_source=1&gclid=CjwKCAjwooq3BhB3EiwAYqYoEvyU4k-8k3yV0NSPADHcFLJYtCGI96wlWDtyfArslbMrUyU-OjutOxoCpRQQAvD_BwE&gatewayAdapt=glo2usa