Designed to mimic the Krill Active Boilies, The Krill Tuff Ones from STICKY BAITS, these hardened bottom baits are made with the same base mix as the regular bottom baits, but with the addition of extra binding agents. This creates a much more difficult alternative to using the freebies on the hair, but retains all the important ones that match the look of the hatch. Krill Active Freezer Bait. Once submerged in water, the coating begins to work its magic, disintegrating into a halo of attraction around the ultra-strong hookbait in the core.