My current draft of the checklist, subject to change and last-minute-panicking:

• Travel
  • Passport
  • Flight Ticket (El Al)
  • Printouts for hotel reservations
  • Invitation letter from the IKMF for the border control
  • Printout of the „Taxi letter“ from the IKMF
  • Copy of the original application form
  • Printout of the train layout
• Krav Maga Training
  • IKMF Passport
  • P1-P5 Curriculum printouts
  • Mouth guard
  • Shin guards
  • MMA gloves
  • 2x Shock Doctor shorts
  • 3x long KM pants
  • 6x Rashguards
  • 6x different Tshirts
  • 2x mat shoes
  • 4x small towels
• Medical supplies
  • My First Aid hip back from motorcycling? (probably)
  • Aspirin pills (Blood-thinning, usually no good idea for bruises, but hour-long training in hot climate ((currently about 25°C)) it could help with the thickened blood)
  • Ibuprofen pills (one needs a bit of variety ;) )
  • Heparin cream (Good stuff for haematomas)
  • Voltaren cream
  • Betaisodona
  • Kinesiology tape
• Other stuff for vacation
  • Camera bag with Canon DSLR, extra batteries, extra memory card, battery recharger?
  • Sun glasses
  • Washing agent, clothesline, clothes pegs
  • 2x cargo pants (black, sand) with one belt.
  • 6x regular underwear
  • 3x short sleeved shirts (more business style)
  • 2-3x more tourist-y tshirts
  • 2x sports/jogging shoes
  • beach trunks
  • 1 big beach towel (?)
  • Necessaire / Bath accessories
  • Charger for phones & watch
  • 1x small cloth bag (shopping bag)
  • my grey RRU hoodie
  • power socket multiplier
  • power socket adapter? (Euro plug -to- SchuKo plug?)
  • Hm, travel guide for Israel? City maps Tel Aviv & Jerusalem? (headscratch)

I think that should cover most never-ever happening situations and probably i won’t need half of that stuff I gonna schlepp around…