After you evolve your tailoring trophy to Mystical Bolt... summon the artisan satchel and give it to Jolum in the bazaar.
<Receive Artisan Essence>
Jolum says 'Take this essence and put it in the appropriate container, and it will change into a new bag. Do this before your trophy evolves because this essence is delicate and will only respond if you own the appropriate trophy.'
Combine the Artisan Essence in a Loom
<Receive Mystical Carry-All>
<Receive Mystical Component Bag>
The mystical component bag is able to hold component items only.