Joseph Miller, a former student of mine, is a reliable expert on STaM. He created the website KosherKlaf.com and can be trusted on these matters.

Moshe Gantz, founder of KosherKlaf.com, is celebrated by the Arutz Sheva Group for his 40 years of continuous support. Learn about his dedication to the Torah and the Land of Israel.

Learn how Moshe Gantz, founder of KosherKlaf.com, helped the Bet El Yeshiva Institutions become a renowned center of Torah study. Discover the impact of his 40 years of tireless devotion.

Ateret Tefillin Batim are certified by the Badatz Edah HaChareidis of Jerusalem. Each pair comes with a safety code and an anti-fraud holographic sticker which can be crossed reference with their agency to ensure certification.

Malchot Dovid Straps (Retzuot) are certified by the Badatz Beit Yosef and European Kosher Organization. Each Roll of straps comes with documentation of both letters of certification (Hechsherim).

Zonnenfeld Straps (Retzuot) are certified by the Badatz Edah HaChareidis of Jerusalem. Each Roll of straps comes with a number which can be crossed reference with their agency to ensure certification.

In a letter, Rabbi Michael Taubes recommends Yosef Miller, an outstanding student he has known for years. R' Yosef co-founded KosherKlaf.com with R' Moshe Gantz to bring transparency and education to the world of STAM. They aim to help people know what to consider when purchasing these items. Rabbi Taubes certifies that R' Yosef is a knowledgeable Ben Torah and a trusted source on this subject.

Unsure if your tefillin are kosher? Learn what makes tefillin pasul and why it's critical to only buy from a certified sofer with a proper hechsher. Protect the sanctity of your mitzvot.

Mezuzot are required for the doorways of each room and hallway in a home or office, including attics, basements, laundry rooms, garages, and walk-in closets (excluding bathrooms). Even small hallways leading to a 6ft x 6ft room require one. Once affixed, a Mezuzah must remain, even if occupants move, unless the newcomers are non-Jews.

Ever wondered if showing Hashem's name on your computer or phone screen is permitted, especially when closing a file or turning off the device? This article dives into the halachic (Jewish law) considerations, explaining why most authorities permit it.

To be kosher, the Hebrew letter Aleph must have five key components: a main body, an upper yud with its leg, and a lower yud with a connecting tag. However, the precise formation varies by scribal tradition, impacting its "hiddur" (beauty/perfection) level.

Imagine your Mezuzah blessing you to live... on the moon! A shocking scribal error recently rendered a scroll completely invalid. This isn't a joke—it's a critical reminder that even perfect-looking Mezuzot can hide serious flaws. Learn why proper checking and certified sofrim are vital for true kedushah in your home. Don't risk a pasul Mezuzah – discover what you need to know.

Even if your Tefillin appear fine, internal issues can develop unnoticed. A recent case revealed how consistent moisture caused a subtle but invalidating warp in the Tefillin's shape. The Aruch HaShulchan mandates professional inspection every 3.5 years to prevent such problems.

A Bar Mitzvah tefillin mishap reveals hidden flaws. Stickers and invalid parchment can render them unusable. Don't let this happen to you.

תעשה ולא מן העשוי: Mezuzah must be right from the start. Fixes don't count. Intentionality matters.

Never assume your mezuzah is kosher, even if it came from a Judaica store. A recent inspection in Long Island revealed a shocking truth:

Homeowner bought new mezuzot, felt uneasy. Inspection revealed ALL were invalid! Luckily, flaws were fixable. Lesson: Even store-bought mezu

Expert Sofer Writes on Klaf to be used for Mehudar Tefillin

High-quality Tefillin Batim and a comprehensive Retzout Guide for meaningful and accurate Tefillah. Perfect for everyday use.

Essential for travel! Compact Tefillin Batim and Retzout Guide for easy and convenient Tefillah on the go.