essential DS Lite accessories, besides a flash card

I've been out of the loop since maybe 2012/2013 when my prior Lite died and I sold it for parts. With the system being dead at retail and accessories going off the aftermarket I want to try and get caught up on potentially useful things for the system I may be overlooking, and catalog things that are still out there. At the very least, these can still be purchased-

1) Psyclone travel/starter kit, $20 average on eBay

This is a multi-accessory set with the main draw being a hard...

essential DS Lite accessories, besides a flash card