1. This pass holder. paperchase.co.uk "So how do we get from Chalk Farm to King's Cross?" your friend asks. You whip out your pass holder as it doubles as a handy map (but only for the particular stations on it).Get it for £5 from Paperchase. 2. This post-it note block. paperchase.co.uk "Let me just make a note of that," you say, reaching for your post-it note block. "Why not just use your phone?" your friend asks. You stare at them as you write decisively on the block.Get it for £4.50 from Paperchase. 3. This phone case. paperchase.co.uk "Look at my phone case!" you demand of your friends, thrusting your gorgeously encased phone into their indifferent faces. "Look!"Get it for £12 from Paperchase. 4. This umbrella. paperchase.co.uk "Awful weather we're having," you say, brandishing your stylish umbrella. Your friend looks up at the clear blue skies, confused.Get it for £15 from Paperchase. 5. This luggage tag. paperchase.co.uk "It has to be on this carousel...does your suitcase have anything distinctive on it?" asks your friend. Your shark-like grin speaks volumes.Get it for £6 from Paperchase. 6. These tea towels. paperchase.co.uk "Oh, no!" you half-heartedly shout, knocking over a glass of water. Your friend silently sips away at their drink, while you excitedly mop up the spill.Get a set for £8 from Paperchase. 7. These boxers. shop.tfl.gov.uk "Nobody knows I'm wearing a map of the underground under these clothes," you think to yourself, navigating through the hustle and bustle of rushing commuters. "Nobody knows except me."Get them for £8.99 from The TfL Shop. 8. This cushion. etsy.com "Mmm, time for a nap," you say. "Time to dream of those beautiful trains."Get it for £27.50 from Etsy. 9. These coat hooks. etsy.com "Can I take your coat?" you offer to your friends. It's the middle of summer. "Are you sure there's nothing I can hang on these beautiful hooks?" Get one for £12 from Etsy. 10. This clock. etsy.com You glance at the time. Any time is a fine time with this clock.Get it for £17.59 from Etsy. 11. These coasters. etsy.com Your friend goes to put their drink on the table. "Wait!" you cry out, brandishing your vintage map coaster.Get a set of 4 for £14.99 from Etsy. 12. This lamp. etsy.com "It's getting dark," you say, switching on your fantastic lamp. "Too dark to see."Get it for £30.46 from Etsy. 13. These cufflinks. etsy.com "I need a shirt with cufflink holes!" you exclaim. "Why?" your friend asks. You go quiet, and remember these bad boys are simply waiting to be debuted.Get a pair for £6.99 from Etsy. 14. This tape. etsy.com Fix anything and everything with this Underground map tape.Get it for £2.37 from Etsy. 15. This watch. etsy.com It's like carrying a really useless, tiny Underground map on your wrist.Get it for £21.99 from Etsy. 16. This money box. etsy.com Saving the pennies will be a cinch with this money box. Also, who even still carries coins in this contactless payment world?Get it for £10.50 from Etsy. 17. This bow tie. etsy.com Look sharp at your next posh event with this debonair accessory.Get it for £20.30 from Etsy. 18. This hair wrap. etsy.com Wrap your hair in the Underground. Protect it from the evil.Get it for £5 from Etsy. 19. This mug. paperchase.co.uk "Do you want a tea?" your friend asks. You nod. "Which mug do you use?" You narrow your eyes in disbelief.Get it for £6 from Paperchase. 20. This beach towel. shop.tfl.gov.uk "I may be away from London," you think, swooshing out your magnificent towel. "But that's no reason why I can't bring a bit of London to the beach."Get it for £13.99 from The TfL Shop. 21. This tie. ebay.co.uk "That's a great idea," you reply to your co-worker's email, as you casually smooth down your wacky tie. "Going forward, let's touch base on this point offline."Get it for £9.99 from eBay. 22. This activity book. amazon.co.uk "Did you know there are 67 step-free stations on the Underground?" you say to your dog. "Well, now you do."Get it for £4.74 from Amazon. 23. This 1,000-piece jigsaw puzzle. amazon.co.uk "There are so many white puzzle pieces in this," you exclaim with glee. "This could take hours!"Get it for £13.48 from Amazon. 24. This apron. amazon.co.uk "Who's up for some BACONtree and EGGSware?" you say, preparing a spectacular breakfast for yourself.Get it for £9.45 from Amazon. 25. This sandwich tin. amazon.co.uk "Mind the closing mouth doors, please mind the closing mouth doors," you mumble to yourself between sandwich bites.Get it for £4.99 from Amazon. 26. This duvet set. amazon.co.uk "Good night, Victoria line," you mutter sleepily. "Good night, Waterloo & City line."Get the duvet set for £17.93 from Amazon.