Ultralight Packing -Lighten your load article about the realization of what you can do and how cheaply you can do it. (One aspect not noted is that the stainless steel Nalgene bottle is actually compared to the other bottles, which are or 32 oz.
I have this reducing cap on my stainless bottle too, use it almost every day.
Credit Card Multitool - 11 in 1 Credit Card Wallet Knife. Stainless Steel Survival Multitool Utility. Perfect Tool for Bug Out Bag, Camping or Fishing. Tools Include Knife, Saw, Bottle Opener, Can Opener, Slot Head Screwdriver, Ruler, 4 Position Wrench and More! by Rayburn Fishing
Rotating wheel design, just gently turn the golden wheel in the middle to easily switch the tool you want to use, do not always have to split out all the tools. 20 In 1 Stainless Steel Screwdriver Wrench Opener Keychain Pocket EDC Multi Tool