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Just because the below authorities wearing Techeiles are listed doesn’t mean we have contact info on all of them. This is for informational purposes only.
"How can we use Techeiles from a non-Kosher Fish?" - Radziner Rebbe - Rabbi Shlomo Yosef Englard
Reb Gaby Lock 10 years ago (Thu 14/1/2010) videoed Rabbi Shlomo Yosef Englard giving a rare shiur on Techeiles, on Muttar Beficha (permissibility in using it if it's not kosher for consumption), divided into 5 parts. This is everything combined.
This was videoed on Stamford Hill, UK (http://torahway.org.uk/).
Lag BaOmer - Harav Shlomo Yosef Englard - Radzyner Rebbe
Radzyn Rebbe - The Naked Archaeologist - True Blue - Scene 2
From The Naked Archeologist "True Blue" series: https://tubitv.com/tv-shows/285717/true_blue
Radzyn Rebbe - The Naked Archaeologist - True Blue - Scene 3
From The Naked Archeologist "True Blue" series: https://tubitv.com/tv-shows/285717/true_blue
Radzyn Rebbe - The Naked Archaeologist - True Blue - Scene 4
From The Naked Archeologist "True Blue" series: https://tubitv.com/tv-shows/285717/true_blue
Radzyn Rebbe The Naked Archaeologist Return Of The Halazon
From The Naked Archeologist video Return of the Halazon: https://tubitv.com/tv-shows/285718/return_of_the_halazon
Naked Archeologist - Return of the Halazon - Radzyn 2
From The Naked Archeologist video Return of the Halazon: https://tubitv.com/tv-shows/285718/return_of_the_halazon
Naked Archeologist - Return of the Halazon - Radzyn 3
From The Naked Archeologist video Return of the Halazon: https://tubitv.com/tv-shows/285718/return_of_the_halazon
An excerpt from Magadlou Doc -
In this French children's documentary video, Radzyner Rebbe Yitzchak Englard showing puppets how to make cuttlefish Techeiles, grinding those fish with a food processor. Kitchenaid for Cuttlefish - rolls off the tongue :-)