The Best Kept Secret (BKS) is built for hunters who want one simple whistle that flat-out works.
Precision-machined from durable acrylic, the BKS produces realistic sounds for:
• Drake Mallards
• Pintail
• Wigeon
• Teal
• Wood Ducks
🔥 5 realistic waterfowl sounds in one call
🔥 Easy to blow and easy to control
🔥 Perfect for beginners, youth hunters, and seasoned callers
🔥 Subtle, natural tone that shines on pressured and late-season birds
🔥 Durable acrylic construction built for years in the marsh
🔥 Backed by the Haus Customs Lifetime Warranty
When birds have heard everything else, sometimes less is more. The BKS gives you the soft, realistic sounds that help finish wary ducks without overcalling them.
Simple. Versatile. Deadly.
There’s a reason we call it the Best Kept Secret — once it hits your lanyard, it probably won’t leave.
This right here is the BEST KEPT SECRET when the birds aren’t fully convinced this guy does the trick!! The quality craftsmanship of this whistle is incredible but without hesitation from Haus Customs!
Great Call! Gets loud when needed and has a realistic tone for the timber and marsh alike! This one is keeping its spot on my lanyard this year for sure!
This right here is the BEST KEPT SECRET when the birds aren’t fully convinced this guy does the trick!! The quality craftsmanship of this whistle is incredible but without hesitation from Haus Customs!
Great Call! Gets loud when needed and has a realistic tone for the timber and marsh alike! This one is keeping its spot on my lanyard this year for sure!
