With Klickfix handlebar mount (fold-comply) there are so many handlebar luggage possibility (Vaude/Rixen&Kaul/Ortlieb etc). Got an old Vaude from my touring bike fitted on Bromp : r/Brompton
Folding Bicycle Bike Front Basket Pet Dog Carrier Bag Handlebar Quick Release | eBay
Basil Buddy KF Front Dog Bicycle Basket - Bicycle Habitat NYC
Basil Miles Handlebar Bag - 6L KLICKfix Mount Black – The Bike Hub
Cycling Insulated Bike Cooler Bag Water Resistant Bike Handlebar Bag Bike Basket Front Bag Pannier with Bike Phone Mount - Walmart.com
Dog Bicycle Basket - Etsy
KlickFix bike baskets & panniers | Bikester.co.uk
Shop DOGGY Front Bicycle Basket for Dogs now | ROSE Bikes
Klickfix Doggy Dog Bag for Bicycles
Amazon.com : RIXENKAUL Men's Doggy Handlebar Bag, Multi-Coloured, One Size UK : Sports & Outdoors
Amazon.com : RAYMACE Bicycle Basket Dog Bike Handlebar Basket Front,Folding Detachable Quick Release Easy Install,Cycling Picnic Bag (Ananas) : Sports & Outdoors
Amazon.com : Pet Dog Bike Basket & Carrier Bag- Foldable Detachable Pet Travel Bicycle Basket - Small Animal Dog Cat Rabbit Bike Ride Basket Carrier (Coffee) : Pet Supplies