What is the truth about Yanover esrogim? [Full audio in video description]

A technical problem appears to have caused the audio to cut out after about 26:05 into the shiur; for the audio from the remaining 29 minutes, click here: https://youtu.be/JP4um5jnhvc
Shiur 4 (81) on halachic topics – by Rabbi Shraga Dovid Homnick, Sgan Rosh Kolel, Kolel L'horaah Ma'asis Crown Heights