Satchel (Basic) (thermalexpansion:satchel - 4838:0) has NBT data

{ench:[{lvl:1s,id:52s}],Accessible:1b}

TAG_Compound (10) ('')
{
    TAG_List (9) ('ench') (1 entries of TAG_Compound (10))
    {
        TAG_Compound (10) ('')
        {
            TAG_Short (2) ('lvl'): 1
            TAG_Short (2) ('id'): 52
        }
    }
    TAG_Byte (1) ('Accessible'): 1
}
