If you decide to use Crisco or another solid shortening, it's recommended to melt it before applying it to the CI.
And yeah... do the seasoning outside if you can.
New Braunfels Hondo Offset
New Braunfels Bandera (Refurbished, Modified & Improved)
32 year old Char-Broil 450
1996 Blue Weber SS Performer
2003 Black Weber SS Performer
Weber 22.5 OTS converted to OTG with rotisserie & Smokenator
Weber SJS & modified stock pot Mini-WSM
STOK Island gasser