Question 1

Can it be opened one handed?

Accepted Answer

I recently started using a thumb stud that fastens to the blade, and it works perfectly well to open safely using just one hand.

Question 2

How would this knife be as an EDC steak knife?

Accepted Answer

Short answer - yes, yes it will work..  
But, the edge of a 5Cr15MoV stainless steel blade will get absolutely wrecked, if you use it regularly against a ceramic plate surface.  
There are other knives, made of a harder stainless steel (4116 and others) that would work much better as steak knives.  
5Cr15MoV is a good stainless steel - it can easily be honed to a razor sharp edge, and kept that way with just a little bit of effort (stroping occasionally).  
Properly cared for, a 5Cr15MoV will easily manage most everyday light work.  
I once rolled the edge by just scraping down the flashing of a length of polypropylene - but I stroped it back up really quick and easy.  
And I still carry it every day, even with this knowledge of its limitations - I just work with them instead of against them.

Question 3

Is it legal in Egypt?

Accepted Answer

No it’s not and if you’re caught with one 
6 months jail time

Question 4

Do you have to pull up the key ring to close it or is there another way?

Accepted Answer

Yes, you absolutely have to pull the key ring to disengage the ring-lock mechanism - any other effort will likely break the knife.  
The spring on this knife is lifted by pulling on the ring - ever so slightly.  I doubt the ring needs to be pulled higher than the 1/32" clearance between the back of the blade (where it locks) and the plastic body of the handle, where the spring rests flat.  
Anyone trying to torque back against the spring (hard) by pulling the ring (dramatically) is going to break the ring/spring connection.  
This ring/spring connection is meant to run quick and slick without any dramatic or extraneous motion required.  It locks quickly and holds hard, if you can operate it properly.  
I regularly pop the connection with my index finger only, using a squeeze movement with the rest of my fingers pulling down on the blade and handle as my index finger (inside  the ring) pulls up and back, simultaneously. 
The ring  is also used as a safety stop that won't allow your fingers to ever slide up onto the sharp edge of the blade - because your leading finger is still inside the ring.  
Some folks really just can't figure this ring-lock mechanism out..    
Some people try to loosen this lock-up by pulling on the ring-lock with several pounds of force - because they think it will allow the blade to swing out easier and quicker (and dangerous-er), but it doesn't..  It just breaks the knife..  
Run the Kudu properly and it will last for years, decades even..

ASIN	B082RPZTQ6
Age Range Description	Adult
Best Sellers Rank	#38,444 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #89 in Camping Folding Knives
Blade Edge	Convex
Blade Length	4.25 Inches
Blade Material	5Cr15MoV
Blade Shape	Clip Point
Blade Type	Pocket knife
Brand Name	Cold Steel
Color	Black
Customer Package Type	Knife Shipping Package with Sheath Protection
Customer Reviews	4.2 4.2 out of 5 stars (1,058)
Global Trade Identification Number	00705442019060
Hand Orientation	Ambidextrous
Handle Material	Glass Reinforced Nylon
Included Components	Sheath
Is Product Cordless	Yes
Item Length	10 Inches
Item Shape	Rectangular
Item Type Name	Folding Knife
Manufacturer	Cold Steel
Model Name	Kudu
Model Number	CS-20KK
Part Number	20KK
Power Source	hand_powered
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	Camping, Fishing, Hunting
Reusability	Reusable
Size	4.3"
Special Features	Locking Blades
Style	Folding Pocket Knife
Theme	African-Inspired
UPC	705442019060
Unit Count	1.0 Count
Warranty Description	Knives & Blades: We stand behind our products 100%. We subject them to the highest standards in the industry and strive to make each as perfect as possible. We warrant that this product is free of defects in workmanship and materials. This warranty does not cover normal wear and tear, resharpening, damage caused by misuse, lack of normal maintenance, or disassembly. Remember, anything can break or…

Cold Steel Kudu 4.25" 5Cr15MoV Steel Clip Point Razor-Sharp Blade 5.75" Zy-Ex Handle Everyday Carry Folding Knife w/Ring Lock

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