I like to use Permatex Super 300 brush-on sealer as a thread lube and sealant. Indian Head shellac sets up like concrete once it dries, while the Permatex stays pliable for years. Personal choice- - - - -"your mileage may vary!"
Jerry
I just enjoy cracking open the lids and just sniff either of those. They smell very similar to each other, like victory!