Commonly known as the GuanDao, the weapon of General Yu of the Three Kingdoms fame，the Spring And Autumn Falchion is classified as a long weapon. Traditionally very heavy,there are now lighter versions that weight less than 2 kg.
The Chen Taiji routine is made up of thirty phrases that run like a poem. The main applications of this weapons They are chop, cut, pierce, parry, thrust, intercept, press, push, slice, block and swing in figure-8 form. Here is a clip by Ni ShiQing ( 倪世清）, a disciple of Chen Zhenglei. Ni …

This 2 sectioned staff is actually a farming device and evolved into a weapon used by the common folks. The bigger size is known as shaokan (梢杆) while the smaller size is known as shaogun (梢棍).  The shorter section is attached to the longer section via chain of rings. At the other end of the longer section is usually a pointed tip.
This weapon routine is not commonly taught beyond China. In the Chen village,  Chen XiaoXing’s school teaches them. Let look at the 2 routines here and you will see …

Little has been wrote about this weapon of Chen Taiji – the double mace 锏. It is considered to be a short weapon with a square cross section. Usually made from copper or iron, it it about 4 feet long. The diagram above is scanned from a 1992 special issue of the shaolin and taichi magazine.
Here is a clip showing the performance of the double mace form by Chen ZiQiang. In this vide, he seems to be using sticks to replace the mace.
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