A mesh strainer
A sushi rolling mat (makisu)
Ice packs
Hangiri (optional)
A mesh strainer is good for washing rice in. You don’t need it per se, but it makes it a ton easier to do the rinse-dump process several times fast
A makisu makes rolls easier, but I’m too lazy to clean it every single time, so I do without it
The colder you keep your fish until the moment it’s eaten, the fresher it’ll taste.
A hangiri is a traditional wooden tub used to cool rice