CastWarm is a heated sleeve that slips over the handle of the rod you already own, so your grip stays warm and ready when the bite comes.
Launching on crowdfunding · Waitlist members hear firstAnyone who has sat over a hole at first light knows the routine: gloves off to feel the line, fingers numb in minutes, hands in your pockets right when the rod tip twitches.
A frozen handle pulls heat out of your hand. Feel and control go first.
Light winter bites are subtle. Stiff fingers react late, or not at all.
When your hands give out, the trip ends early, no matter how good the fishing is.
CastWarm puts gentle warmth directly on the rod handle, the one thing your hand touches all day. Your hand stays warmer, your grip stays sure, and you stay ready.
No new rod. No bulky mittens. It's designed to fit the gear you already trust.
Image shows a design concept. The final product may differ.
A sleeve designed to go over your rod's existing handle. No tools, no new rod.
Low-profile heating built into the sleeve, right under your palm.
A compact rechargeable battery pod, so you're not hunting for batteries on the ice.
Simple controls to match the heat to the day, from a mild morning to a bitter one.
Fit the sleeve over your rod handle and snug it in place.
Connect the battery pod and switch on the heat.
Keep a warm, confident grip, and be ready when the tip moves.
"Up here, winter is fishing season. I got tired of choosing between feeling my line and feeling my fingers, so I started building something better."
Robert Zibrowski, Founder · Zibrowski Innovations LLC, Park Rapids, MN
Not yet. CastWarm is in development, and we're building and testing prototypes. We plan to launch through a crowdfunding campaign. Join the list to hear first.
CastWarm is being designed to fit common rod handles, ice rods included. Exact fit details will be shared before launch.
Pricing hasn't been set yet. Waitlist members will get the details, and any early-backer offers, before anyone else.
We'll publish battery performance once testing is done. We won't guess.
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