R` Yehuda Kahana, the brother of the Ktzos Hachoshen, delights with a chibur of shpitz lomdus on Hilchos Sfeikos.

Klall Aleph 2 hours 20 min
Klall Bais 2 hours 40 min

Klall Aleph and Bais have been sponsored by descendants of the Mechaber in Cleveland Ohio, and the learning of it should be a zechus for the descendants and all of Klall Yisroel.

There are 7 more Klallim waiting for sponsorship ($500 a Klall).