I have tried Global in the past too and couldnt get on with them either, I tend to have a few good knives, my preference for my main knife being a Henckels Santoku knife, there is some good advice on buying knives on the Japanese Knife Company website........not that im suggesting you buy from there.
The guide to selecting a knife:
Fundamental criteria:
Remember that about 60 –70% of the work is done on one or two knives. Your favourite ones. Whenever you need to use a knife these are usually the ones you pick up first.
So rather than buying a set of knives – some of which are either used very infrequently or never used at all, it best to buy really good knives that you enjoy using all the time and then adding other knives to them as and when you feel the need for a particular size or shape.
Select the knives you need and are comfortable with, rather than leaving it to the manufacturer to sell you what they think you need. For example, you may prefer a chef’s (multi purpose) knife that is 50mm longer, shorter or bit narrower than the one in a set or you may find a slightly different paring or utility blade more comfortable.
ONLY YOU CAN DECIDE WHAT IS BEST, MOST USEFUL AND COMFORTABLE FOR YOU – SO BUILD YOUR OWN SET – if necessary over a period of time rather than all at once.
Design and Material
The basic design of a knife has changed little in the last 10,000 years – a blade with a handle. What has changed, and is constantly changing, are the materials used in the making of knives and the handle shapes.
In very general terms, the price and quality of the knife is determined by:
The quality of steel or alternative material used to create the blade.
The method used to create the shape of the blade. (stamped, roll forged, drop forged, hand forged, hand hammered etc.)
The sharpness, the longevity of the edge and ability to stay sharp (determined by1 & 2)
Frequency of resharpening (determined by1 & 2 - though some very fine knives with razor sharp edges may require more upkeep)
The balance and feel of the knife
Quality of handle and quality of manufacturing
Remember what you are buying is a tool. So function and ergonomics are more important than the look. Buy the finest edge your budget will allow – DO NOT BUY A KNIFE SIMPLY BECAUSE IT LOOKS GOOD IN YOUR KITCHEN. Don’t make the mistake of buying a set of beautiful handles – a knife is the one tool that has to perform well in your hands several times a day. It is like a good pen, iron or vacuum cleaner – if it doesn’t work well it causes immediate frustration so buy the very best you can afford.
A sharp edge, the ability to hold a good edge, balance, ease of resharpening and a comfortable grip are what is important. Of course it is important that the knives are aesthetically pleasing but feasting the eye is not the primary function of a knife – being able to cut easily with complete control is.
The knife is NOT a sculpture IT IS A TOOL. The beautiful presentation and controlled preparation of food that a good knife facilitates cannot be compared.
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Hope that helps a bit
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Just because it works, doesnt mean its safe!