In reply to Bingley's question and commenting on Mark R's post, Bingley, the security scans I'm describing are of the type Mark R describes. They are also in force at museums , some entertainment venues and even some office buildings. My standard kit, described in my first paragraph, with the exception of the LM, is TSA acceptable and in most other venues as well. Albeit, some museums require you to check all backpacks and large shoulder bags. The LM is a toss up in the other venues. I use a Blast because it's lightweight, very low profile and has no exterior one- hand opening tools. At some venues they flat out ban them. Then you either pass it up or move to the following alternatives: Ask the security desk to hold it for you, stash it in a flower pot for (hoped for) later retrieval or try to pay the hot dog vendor to hold it til you finish your visit, in that order of preference. As I stated, the larger tool augments are stashed in my car, office, hotel room, ICE.

Mark, my standard kit (again, first para of my post), sans LM, is the multi tool alternative. The Lee Valley scissors is my multi purpose cutting tool and it fits in visually/logically, given my relatively large first aid kit. The small reversible screwdriver has its obvious uses as does the PW II, at a lesser cost and arguably "grayer" appearance than the Piranah et al. Respectfully, I think you undervalue the near weightless ResQme. But, I admit the Silcock key may be overkill.

I do not scrimp on flashlights. I have multiples, in coin cell, 1 AAA, & 1 or 2 AA, some as dedicated headlights , all with bands or clips to rig as a headlight, for use by others too. My cell backup power unit is a Morphie case on my I -Phone. I also carry an Xcaper mask, swim goggles and Nomex gloves, Sechelles Advanced Straw Water Purifiers , dedicated water carry bags with folding coffee, water filters and sleeve holder, water pure tabs, CASH, WP pen/ paper and too much other harmless non - controversial sundries ( e.g. M & Ms, Bic lighter, Chapstick, everyday meds, AMK survival blanket, silcloth poncho, etc.)