David Sinerks (sp?) Differentiation and Developing your Frame Therapy ? BP Professor YouTube..
6 upvotes | January 25, 2020 | by RPAnon123
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At 1:20 of the video below, BP Professor mentions something called
"David Sinerks (sp) Differentiation and Developing your Frame Therapy"
?

What is the correct spelling of David's last name ?

https://www.youtube.com/watch?v=uaPsgVcjgtk

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Archived from https://theredarchive.com/post/315423